The phrase "legitimate company" refers to a business or organization that is legal, honest, and trustworthy. It means that the company operates within the law and follows ethical practices. Full definition
Be sure that you are dealing only with legitimate companies. (autoquotenow.com)
There are so many fraudulent emails containing malicious links sent from people who just want to portray themselves as workers from legitimate companies. (trusteddatingsiteadvisory.com)
And which of them were good actors, like legitimate companies, good intent developers, and which one of them were scams, right? (recode.net)